Cases reported "Dislocations"

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1/283. osteotomy for malunion of a talar neck fracture: a case report.

    A malunion of the talar neck after a Hawkins type II fracture/dislocation of the talar neck occurred in a 34-year-old man after nonoperative treatment. Rigid varus deformity of the forefoot was a source of severe pain and disability in this patient. We describe our surgical technique for osteotomy of the talar neck with insertion of a tricortical iliac crest bone graft to correct the deformity. At follow-up (56 months), the patient had consistent relief of pain and was employed at his preinjury job doing heavy labor. The score on the American Orthopaedic foot and Ankle Society Ankle-Hindfoot Scale improved from 11 points, preoperatively, to 85 points, postoperatively. Radiographs showed maintenance in the position of the osteotomy and no evidence of avascular necrosis in the talar body. Evidence of arthrosis of the talonavicular joint was apparent radiographically, but the patient did not complain of symptoms referable to this area.
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2/283. Volar dislocation of the proximal interphalangeal joint of the finger: an indication for urgent operative treatment.

    Two patients are described with persistent acute volar dislocation of the middle phalanx of a finger. Closed reduction was impossible due to intra-articular interposition of the lateral slip of the extensor mechanism, combined with a tear of a collateral ligament. It is important to recognize these injuries at an early stage and an operative treatment is required.
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3/283. Adjacent fracture-dislocations of the lumbosacral spine: case report.

    OBJECTIVE AND IMPORTANCE: Traumatic fracture-dislocations of the lumbosacral junction are rare, with all previously reported cases involving fracture-dislocations at a single level. No cases of multiple fracture-dislocations of contiguous spinal segments in the lumbosacral spine have been reported. A case of traumatic adjacent fracture-dislocations of the fifth lumbar segment is presented. CLINICAL PRESENTATION: An 18-year-old male patient sustained open lumbar spinal trauma after a motor vehicle accident. A neurological examination revealed an L4 level. Radiographic evaluation of the spine revealed a three-column injury at L5 with spondyloptosis of the L5 vertebral body. Aorto-ilio-femoral angiography revealed no evidence of vascular injury. INTERVENTION: The patient was treated with a combined anterior and posterior approach in a two-stage operation. Six months postoperatively, he was neurologically unchanged; however, he was able to walk with the aid of a cane. Plain films revealed normal alignment of the lumbosacral spine. CONCLUSION: The management of traumatic lumbosacral fracture-dislocations requires careful consideration of retroperitoneal structures and possible exploration of the iliac vessels in addition to spinal reconstruction.
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4/283. Entrapment and obstruction of the esophagus from thoracic spine hyperextension-dislocation injury.

    We have reported a unique case of esophageal entrapment and obstruction from a thoracic spine hyperextension-dislocation injury after a motor vehicle crash. Because the risk for esophageal injury is not typically associated with thoracic spine injury, a heightened sensitivity for developing symptoms and signs is at least necessary. As with any injury to the gastrointestinal tract, optimal therapy requires resuscitation and prompt operative intervention.
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5/283. Spinal instrumentation for unstable C1-2 injury.

    Seventeen patients with unstable C1-2 injuries were treated between 1990 and 1997. Various methods of instrumentation surgery were performed in 16 patients, excluding a case of atlantoaxial rotatory fixation. Posterior stabilization was carried out in 14 cases using Halifax interlaminar clamp, Sof'wire or Danek cable, or more recently, transarticular screws. Transodontoid anterior screw fixation was performed in four cases of odontoid process fractures, with posterior instrumentation in two cases because of malunion. Rigid internal fixation by instrumentation surgery for the unstable C1-2 injury avoids long-term application of a Halo brace and facilitates early rehabilitation. However, the procedure is technically demanding with the risk of neural and vascular injuries, particularly with posterior screw fixation. Sagittal reconstruction of thin-sliced computed tomography scans at the C1-2 region, neuronavigator, and intraoperative fluoroscopy are essential to allow preoperative surgical planning and intraoperative guidance.
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6/283. Craniocervical junction synovial cyst associated with atlanto-axial dislocation--case report.

    A 51-year-old female presented with a rare case of synovial cyst at the cruciate ligament of the odontoid process associated with atlanto-axial dislocation, manifesting as a history of headache and numbness in her left extremities for 5 months, and progressive motor weakness of her left leg. neuroimaging studies revealed a small cystic lesion behind the dens, which severely compressed the upper cervical cord, and atlanto-axial dislocation. The cyst was successfully removed via the transcondylar approach. C-1 laminectomy and foramen magnum decompression were also performed. Posterior craniocervical fusion was carried out to stabilize the atlanto-axial dislocation. The cyst contained mucinous material. Histological examination detected synovial cells lining the fibrocartilaginous capsule. Synovial cysts of this region do not have typical symptoms or characteristic radiographic features. Careful preoperative evaluation of the symptoms and a less invasive strategy for removal of the cyst are recommended.
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7/283. Atraumatic spontaneous posterior subluxation of the sternoclavicular joint.

    We report a case of atraumatic spontaneous posterior subluxation of the sternoclavicular joint in a 19-year-old woman without any known underlying pathology. There was no history of injury. The patient was treated operatively using the gracilis tendon to reinforce the anterior sternoclavicular ligament. One year later the patient is asymptomatic and has returned to her usual life.
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8/283. Traumatic L5-S1 spondylolisthesis: report of three cases and a review of the literature.

    The literature reports that traumatic spondylolisthesis of L5 is an uncommon lesion. The authors report their experience of three cases of this particular fracture-dislocation of the lumbosacral spine. They stress the importance of certain radiographic signs in the diagnosis: namely, the presence of unilateral multiple fracture of the transverse lumbar apophysis. As far as the treatment is concerned, they state the need for an open reduction and an internal segmental fixation by posterior approach. A preoperative MRI study appears mandatory in order to evaluate the integrity of the L5-S1 disc. In the event of a traumatic disruption of the disc, they state the importance of posterior interbody fusion by means of a strut graft carved from the ilium or, in case of iliac wing fracture (which is not uncommon in these patients), by means of interbody cages.
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9/283. Combined talar body and tibial plafond fracture: a case report.

    We report a case of a crush fracture of the body of the talus associated with an anterior tibial plafond fracture. This injury is a rare variant of talar body fracture which merits special attention. The bony injury in this type of fracture is associated with multiple loose fragments involving both weightbearing surfaces of the ankle joint. After appropriate imaging to allow preoperative planning, we utilized a two-incision approach which was necessary to achieve adequate exposure and fixation. We used basic fracture management principles to deal with a previously undocumented fracture pattern.
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keywords = operative
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10/283. Inverted L-shaped ramus osteotomy for prolonged bilateral dislocation of the temporomandibular joint.

    The various methods of management of prolonged bilateral anterior dislocation of the temporomandibular joints are discussed and the literature is reviewed. Reported is a case in which a bilateral inverted L-shaped ramus osteotomy was performed in order to reposition the mandible and establish normal occlusion; the results were satisfactorily maintained one year postoperatively.
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